7.5

CVE-2026-34355

Apache HTTP Server: mod_proxy_html buffer overflow

A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend.
Users are recommended to upgrade to version 2.4.68, which fixes this issue.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ HTTP Server Version >= 2.4.0 < 2.4.68
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.81% 0.523
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

https://httpd.apache.org/security/vulnerabilities_24.html
Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/06/08/6
Mailing List
https://access.redhat.com/security/cve/CVE-2026-34355
https://bugzilla.redhat.com/show_bug.cgi?id=2486414
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34355.json
https://access.redhat.com/errata/RHSA-2026:34109